Why don't you look at the videos on the Silencer Shop web site and on youtube? You might also want to read the evaluations on the NFATalk.org and AR15.com sites. The short and simple answer is that there are at least 20 suppressors on the market that will do a nice job on the .300 AAC for less than $1k, frequently much less than $1k, if you exclude the sales tax and the tax stamp.
The general consensus for bolt action hunting rifles is that direct threading and lighter weight add up to greater accuracy, but the newer QD systems appear to have made great strides, at least for some manufacturers. Heavier weight frequently equates to greater durability, so you pays your money and you makes your choices ...
NRA Endowment & DSC Lifer